Journal of Korean Society for Quality Management (품질경영학회지)

Korean Society for Quality Management (한국품질경영학회)
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An Efficiency Analysis of Supply Chain Quality Management Using the Multi-stage DEA Model: Focused on the Domestic Defense Industry Companies

다단계 DEA 모형을 활용한 공급망 품질경영 효율성 분석: 국내 방산업체를 대상으로

  • Jeon, Gyeryong (Defense Aquisition Program Agency(Graduate School of Business Administration, Soongsil University)) ;
  • Yoo, Hanjoo (Division of Business Administration, Soongsil University)
  • 전계룡 (방위사업청, 숭실대 대학원 경영학과) ;
  • 유한주 (숭실대학교 경영학부)
  • Received : 2018.12.11
  • Accepted : 2018.12.31
  • Published : 2019.03.31
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Abstract

Purpose: The purpose of this study was to present a methodology for assessing the efficiency of supply chain quality management considering characteristics of defense industries to provide academic and policy implications for strengthening quality competitiveness of military supplies. Methods: Using the defense industry's empirical data, conduct an efficiency evaluation by utilizing a multi-stage DEA/Entropy Model for defense industries subject to the quality level survey of military goods manufacturers in 2017. Results: The results of this study are as follows; the first step of the multi-stage DEA model, Quality Management Performance Efficiency Analysis, shows that the CCR model and the BCC model are more efficient than the parent company. the second stage of the multi-stage DEA model showed that the CCR model was slightly more efficient than the parent company and the BCC model was more efficient than the parent.the overall efficiency value of the multistage DEA model, calculated by multipointing the efficiency value of the first stage by the second stage, was more efficient than the parent. Conclusion: The results of this study show that the efficiency of supply chian quality management performance and profitability in the defense industry can be analyzed for the first time using the multistage DEA/Entropy model to identify specific inefficiencies and support objective decision making.

Keywords

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Figure 1. The difference of CCR and BCC Model

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Figure 2. Research procedure

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Figure 3. Multi-stage DEA process

Table 1. Input and output factors of DEA studies for defense industries

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Table 2. Input and Output

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Table 3. Reason for selecting parameters

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Table 4. Summary of first-stage efficiency analysis results

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Table 5. Causes of first-stage inefficiency

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Table 6. First stage Shannon's Entropy results

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Table 7. First stage Comprehensive Efficiency Score results

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Table 8. Summary of second-stage efficiency analysis results

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Table 9. Causes of second-stage inefficiency

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Table 10. Second stage Shannon's Entropy result

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Table 11. Second stage Comprehensive Efficiency Score results

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Table 12. Single stage Shannon's Entropy result

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Table 13. Summary of the total efficiency analysis results of the CCR model

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Table 14. Summary of the total efficiency analysis results of the BCC model

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Table 15. Summary of the total efficiency analysis results of the combined model

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